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                                    | Program: | Guaranteed Annual Income System | 
                                
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                                    | Toll-Free: | 1-866-668-8297 (1-866-ONT-TAXS) | 
                            
                            
	
                                
                                    | TTY: | 1-800-263-7776 | 
                            
                            
                            
                            
	
                                
                                    | Fax: | 1-866-888-3850 
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                                    | Address: | 
                                            
                                                | c/o Director, Advisory, Objections, Appeals and Services Branch 33 King St W, PO Box 699, Stn A
 Oshawa, ON
 L1H 8S6
 
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                                    | Location: | Oshawa | 
                                
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                                    | Service Description: | Income supplement to older adults who also qualify for federal Old Age Security and Guaranteed Income Supplement Programs * visit the website for eligibility 
 
 
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                                    | Fees: | None | 
                                
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                                    | Application: | All claims are made by filing a federal income tax return and completing the Ontario Tax Credit form Ministry of Revenue Tax Office representatives are available by appointment only - Call for more information or to make an appointment
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                                    | Eligibility / Target Population: | To be eligible: 
65 years of age or oldera Canadian resident for 10 years or morehave lived in Ontario for the past 12 months or for a total of 20 years since turned 18currently receive the federal government's OAS and GIS benefitscurrently receive income that does not exceed $4,320 for single seniors or $8,640 for senior couplesdifferent rules apply if a senior whose spouse is under 65 or is not eligible for OAS * for more information, visit the website | 
                            
 
                            
                            
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                                    | Languages: | English ; French | 
                                
		
                                
                                    | Language Notes: | French reception, programs, publications, and website | 
                                
	
                                
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                                    | Area Served: | Ontario | 
                                
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                                    | Last Updated: | 8/15/2025 | 
                                
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                                    | Service Profile Web Address: | eng/displayService.aspx?id=35541 | 
                                
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